IPC Classification

Class code (prefix) Descriptions Number of results
C01B 3/00 Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
C01B 3/02 Production of hydrogen or of gaseous mixtures containing hydrogen
C01B 3/04 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of inorganic compounds, e.g. ammonia
C01B 3/06 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
C01B 3/08 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
C01B 3/10 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals by reaction of water vapour with metals
C01B 3/12 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
C01B 3/14 Handling of heat and steam
C01B 3/16 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
C01B 3/18 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using moving solid particles
C01B 3/20 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of metal hydroxides with carbon monoxide
C01B 3/22 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds
C01B 3/24 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons
C01B 3/26 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
C01B 3/28 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using moving solid particles
C01B 3/30 Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using moving solid particles using the fluidised bed technique
C01B 3/32 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
C01B 3/34 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
C01B 3/36 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
C01B 3/38 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
C01B 3/40 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
C01B 3/42 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts using moving solid particles
C01B 3/44 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts using moving solid particles using the fluidised bed technique
C01B 3/46 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using discontinuously preheated non-moving solid materials, e.g. blast and run
C01B 3/48 Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide
C01B 3/50 Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
C01B 3/52 Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
C01B 3/54 Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids including a catalytic reaction
C01B 3/56 Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
C01B 3/58 Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids including a catalytic reaction
C01B 4/00 Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3 + D2 → NH2D + HD
C01B 5/00 Water
C01B 5/02 Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3+7O2→ 4NO2+6D2O, 2D2+O2→ 2D2O
C01B 6/00 Hydrides of metals; Monoborane or diborane; Addition complexes thereof
C01B 6/02 Hydrides of transition elements; Addition complexes thereof
C01B 6/04 Hydrides of alkali metals, alkaline earth metals, beryllium or magnesium; Addition complexes thereof
C01B 6/06 Hydrides of aluminium, gallium, indium, thallium, germanium, tin, lead, arsenic, antimony, bismuth or polonium; Monoborane; Diborane; Addition complexes thereof
C01B 6/10 Monoborane; Diborane; Addition complexes thereof
C01B 6/11 Preparation from boron or inorganic compounds containing boron and oxygen
C01B 6/13 Addition complexes of monoborane or diborane, e.g. with phosphine, arsine or hydrazine
C01B 6/15 Metal borohydrides; Addition complexes thereof
C01B 6/17 Preparation from boron or inorganic compounds containing boron and oxygen
C01B 6/19 Preparation from other compounds of boron
C01B 6/21 Preparation of borohydrides of alkali metals, alkaline earth metals, magnesium or beryllium; Addition complexes thereof, e.g. LiBH4.2N2H4, NaB2H7
C01B 6/23 Preparation of borohydrides of other metals, e.g. aluminium borohydride; Addition complexes thereof, e.g. Li [Al(BH4)3H]
C01B 6/24 Hydrides containing at least two metals, e.g. Li(AlH4); Addition complexes thereof
C01B 6/26 Preparation from the metal with the highest valency or from its oxides or salts of its oxyacids
C01B 6/34 Purification; Stabilisation
C01B 7/00 Halogens; Halogen acids
C01B 7/01 Chlorine; Hydrogen chloride
C01B 7/03 Preparation from chlorides
C01B 7/04 Preparation of chlorine from hydrogen chloride
C01B 7/05 Preparation from ammonium chloride
C01B 7/07 Purification
C01B 7/09 Bromine; Hydrogen bromide
C01B 7/13 Iodine; Hydrogen iodide
C01B 7/14 Iodine
C01B 7/16 Preparation from seaweed
C01B 7/19 Fluorine; Hydrogen fluoride
C01B 7/20 Fluorine
C01B 7/24 Inter-halogen compounds
C01B 7/075 Purification of liquid chlorine
C01B 9/00 General methods of preparing halides
C01B 9/02 Chlorides
C01B 9/04 Bromides
C01B 9/06 Iodides
C01B 9/08 Fluorides
C01B 11/00 Oxides or oxyacids of halogens; Salts thereof
C01B 11/02 Oxides of chlorine
C01B 11/04 Hypochlorous acid
C01B 11/06 Hypochlorites, e.g. chlorinated lime
C01B 11/08 Chlorous acid
C01B 11/10 Chlorites
C01B 11/12 Chloric acid
C01B 11/14 Chlorates
C01B 11/16 Perchloric acid
C01B 11/18 Perchlorates
C01B 11/20 Oxygen compounds of bromine
C01B 11/22 Oxygen compounds of iodine
C01B 11/24 Oxygen compounds of fluorine
C01B 13/00 Oxygen; Ozone; Oxides or hydroxides in general
C01B 13/02 Preparation of oxygen
C01B 13/08 Preparation of oxygen from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
C01B 13/10 Preparation of ozone
C01B 13/11 Preparation of ozone by electric discharge
C01B 13/14 Methods for preparing oxides or hydroxides in general
C01B 13/16 Purification
C01B 13/18 Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
C01B 13/20 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state
C01B 13/22 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
C01B 13/24 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides in the presence of hot combustion gases
C01B 13/26 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides in the presence of a fluidised bed
C01B 13/28 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides using a plasma or an electric discharge
C01B 13/30 Removal and cooling of the oxide containing suspension
C01B 13/32 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state
C01B 13/34 Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of sprayed or atomised solutions
C01B 13/36 Methods for preparing oxides or hydroxides in general by precipitation reactions in solutions
C01B 15/00 Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
C01B 15/01 Hydrogen peroxide
C01B 15/03 Preparation from inorganic peroxy-compounds, e.g. from peroxysulfates
C01B 15/04 Metal peroxides or peroxyhydrates thereof; Superoxides; Ozonides
C01B 15/06 Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
C01B 15/08 Peroxysulfates
C01B 15/10 Peroxyhydrates; Peroxyacids or salts thereof containing carbon
C01B 15/12 Peroxyhydrates; Peroxyacids or salts thereof containing boron
C01B 15/013 Separation; Purification; Concentration
C01B 15/14 Peroxyhydrates; Peroxyacids or salts thereof containing silicon
C01B 15/16 Peroxyhydrates; Peroxyacids or salts thereof containing phosphorus
C01B 15/017 Anhydrous hydrogen peroxide; Anhydrous solutions or gaseous mixtures containing hydrogen peroxide
C01B 15/022 Preparation from organic compounds
C01B 15/023 Preparation from organic compounds by the alkyl-anthraquinone process
C01B 15/024 Preparation from organic compounds from hydrocarbons
C01B 15/026 Preparation from organic compounds from alcohols
C01B 15/027 Preparation from water
C01B 15/029 Preparation from hydrogen and oxygen
C01B 15/032 Preparation from inorganic peroxy-compounds, e.g. from peroxysulfates from metal peroxides
C01B 15/037 Stabilisation by additives
C01B 15/043 Metal peroxides or peroxyhydrates thereof; Superoxides; Ozonides of alkali metals, alkaline earth metals or of magnesium
C01B 15/047 Metal peroxides or peroxyhydrates thereof; Superoxides; Ozonides of heavy metals
C01B 15/055 Peroxyhydrates; Peroxyacids or salts thereof
C01B 17/00 Sulfur; Compounds thereof
C01B 17/02 Preparation of sulfur; Purification
C01B 17/04 Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
C01B 17/05 Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes
C01B 17/06 Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
C01B 17/10 Finely-divided sulfur, e.g. sublimed sulfur, flowers of sulfur
C01B 17/12 Insoluble sulfur (mu-sulfur)
C01B 17/16 Hydrogen sulfides
C01B 17/18 Hydrogen polysulfides
C01B 17/20 Methods for preparing sulfides or polysulfides, in general
C01B 17/22 Alkali metal sulfides or polysulfides
C01B 17/24 Preparation by reduction
C01B 17/26 Preparation by reduction with carbon
C01B 17/027 Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses; Purification
C01B 17/28 Preparation by reduction with reducing gases
C01B 17/30 Preparation from sodium or potassium amalgam with sulfur or sulfides
C01B 17/32 Hydrosulfides of sodium or potassium
C01B 17/033 Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses; Purification using a liquid extractant
C01B 17/34 Polysulfides of sodium or potassium
C01B 17/36 Purification
C01B 17/38 Dehydration
C01B 17/40 Making shaped products, e.g. granules
C01B 17/42 Sulfides or polysulfides of magnesium, calcium, strontium, or barium
C01B 17/43 Sulfides or polysulfides of magnesium, calcium, strontium, or barium from oxides or hydroxides with sulfur or hydrogen sulfide
C01B 17/44 Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates
C01B 17/45 Compounds containing sulfur and halogen, with or without oxygen
C01B 17/46 Compounds containing sulfur, halogen, hydrogen, and oxygen
C01B 17/48 Sulfur dioxide; Sulfurous acid
C01B 17/50 Preparation of sulfur dioxide
C01B 17/52 Preparation of sulfur dioxide by roasting sulfides
C01B 17/54 Preparation of sulfur dioxide by burning elemental sulfur
C01B 17/56 Separation; Purification
C01B 17/58 Recovery of sulfur dioxide from acid tar or the like
C01B 17/60 Isolation of sulfur dioxide from gases
C01B 17/62 Methods of preparing sulfites in general
C01B 17/64 Thiosulfates; Dithionites; Polythionates
C01B 17/66 Dithionites
C01B 17/69 Sulfur trioxide; Sulfuric acid
C01B 17/70 Stabilisation of gamma-form sulfur trioxide
C01B 17/74 Preparation
C01B 17/76 Preparation by contact processes
C01B 17/77 Fluidised-bed processes
C01B 17/78 Preparation by contact processes characterised by the catalyst used
C01B 17/79 Preparation by contact processes characterised by the catalyst used containing vanadium
C01B 17/80 Apparatus
C01B 17/82 Preparation of sulfuric acid using a nitrogen oxide process
C01B 17/84 Chamber process
C01B 17/86 Tower process
C01B 17/88 Concentration of sulfuric acid
C01B 17/90 Separation; Purification
C01B 17/92 Recovery from acid tar or the like
C01B 17/94 Recovery from nitration acids
C01B 17/96 Methods for the preparation of sulfates in general
C01B 17/98 Other compounds containing sulfur and oxygen
C01B 17/765 Multi-stage SO3-conversion
C01B 17/775 Liquid phase contacting processes or wet catalysis processes
C01B 19/00 Selenium; Tellurium; Compounds thereof
C01B 19/02 Elemental selenium or tellurium
C01B 19/04 Binary compounds
C01B 21/00 Nitrogen; Compounds thereof
C01B 21/02 Preparation of nitrogen
C01B 21/04 Purification or separation of nitrogen
C01B 21/06 Binary compounds of nitrogen with metals, with silicon, or with boron
C01B 21/08 Hydrazoic acid; Azides; Halogen azides
C01B 21/09 Halogeno-amines, e.g. chloramine
C01B 21/12 Carbamic acid; Salts thereof
C01B 21/14 Hydroxylamine; Salts thereof
C01B 21/16 Hydrazine; Salts thereof
C01B 21/20 Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
C01B 21/22 Nitrous oxide (N2O)
C01B 21/24 Nitric oxide (NO)
C01B 21/26 Preparation by catalytic oxidation of ammonia
C01B 21/28 Apparatus
C01B 21/30 Preparation by oxidation of nitrogen
C01B 21/32 Apparatus
C01B 21/34 Nitrogen trioxide (N2O3)
C01B 21/36 Nitrogen dioxide (NO2, N2O4)
C01B 21/38 Nitric acid
C01B 21/40 Preparation by absorption of oxides of nitrogen
C01B 21/42 Preparation from nitrates
C01B 21/44 Concentration
C01B 21/46 Purification; Separation
C01B 21/48 Methods for the preparation of nitrates in general
C01B 21/50 Nitrous acid; Salts thereof
C01B 21/064 Binary compounds of nitrogen with metals, with silicon, or with boron with boron
C01B 21/068 Binary compounds of nitrogen with metals, with silicon, or with boron with silicon
C01B 21/072 Binary compounds of nitrogen with metals, with silicon, or with boron with aluminium
C01B 21/076 Binary compounds of nitrogen with metals, with silicon, or with boron with titanium or zirconium
C01B 21/082 Compounds containing nitrogen and non-metals
C01B 21/083 Compounds containing nitrogen and non-metals containing one or more halogen atoms
C01B 21/084 Compounds containing nitrogen and non-metals containing one or more halogen atoms containing also one or more oxygen atoms, e.g. nitrosyl halides
C01B 21/086 Compounds containing nitrogen and non-metals containing one or more sulfur atoms
C01B 21/087 Compounds containing nitrogen and non-metals containing one or more hydrogen atoms
C01B 21/088 Compounds containing nitrogen and non-metals containing one or more hydrogen atoms containing also one or more halogen atoms
C01B 21/092 Compounds containing nitrogen and non-metals containing one or more hydrogen atoms containing also one or more metal atoms
C01B 21/093 Compounds containing nitrogen and non-metals containing one or more hydrogen atoms containing also one or more sulfur atoms
C01B 21/094 Nitrosyl containing acids
C01B 21/096 Amidosulfonic acid; Salts thereof
C01B 21/097 Compounds containing nitrogen and non-metals containing phosphorus atoms
C01B 21/098 Phosphonitrilic dihalides; Polymers thereof
C01B 23/00 Noble gases; Compounds thereof
C01B 25/00 Phosphorus; Compounds thereof
C01B 25/01 Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
C01B 25/02 Preparation of phosphorus
C01B 25/04 Purification of phosphorus
C01B 25/06 Hydrogen phosphides
C01B 25/08 Other phosphides
C01B 25/10 Halides or oxyhalides of phosphorus
C01B 25/12 Oxides of phosphorus
C01B 25/14 Sulfur, selenium, or tellurium compounds of phosphorus
C01B 25/16 Oxyacids of phosphorus; Salts thereof
C01B 25/18 Phosphoric acid
C01B 25/20 Preparation from elemental phosphorus or phosphoric anhydride
C01B 25/22 Preparation by reacting phosphate containing material with an acid, e.g. wet process
C01B 25/023 Preparation of phosphorus of red phosphorus
C01B 25/24 Condensed phosphoric acids
C01B 25/26 Phosphates
C01B 25/027 Preparation of phosphorus of yellow phosphorus
C01B 25/28 Ammonium phosphates
C01B 25/30 Alkali metal phosphates
C01B 25/32 Phosphates of magnesium, calcium, strontium, or barium
C01B 25/34 Magnesium phosphates
C01B 25/36 Aluminium phosphates
C01B 25/37 Phosphates of heavy metals
C01B 25/38 Condensed phosphates
C01B 25/39 Condensed phosphates of alkali metals
C01B 25/40 Polyphosphates
C01B 25/41 Polyphosphates of alkali metals
C01B 25/42 Pyrophosphates
C01B 25/043 Purification of phosphorus of red phosphorus
C01B 25/44 Metaphosphates
C01B 25/45 Phosphates containing plural metal, or metal and ammonium
C01B 25/46 Preparation involving solvent-solvent extraction
C01B 25/047 Purification of phosphorus of yellow phosphorus
C01B 25/163 Phosphorous acid; Salts thereof
C01B 25/165 Hypophosphorous acid; Salts thereof
C01B 25/168 Pyrophosphorous acid; Salts thereof
C01B 25/222 Preparation by reacting phosphate containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
C01B 25/223 Preparation by reacting phosphate containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
C01B 25/225 Dihydrate process
C01B 25/226 Hemihydrate process
C01B 25/228 Preparation by reacting phosphate containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
C01B 25/229 Hemihydrate-dihydrate process
C01B 25/231 Dihydrate-hemihydrate process
C01B 25/232 Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clincker process
C01B 25/234 Purification; Stabilisation; Concentration
C01B 25/235 Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
C01B 25/237 Selective elimination of impurities
C01B 25/238 Cationic impurities
C01B 25/445 Metaphosphates of alkali metals
C01B 25/455 Phosphates containing halogen
C01B 31/00 Carbon; Compounds thereof
C01B 31/02 Preparation of carbon; Purification
C01B 31/04 Graphite
C01B 31/06 Diamond
C01B 31/08 Active carbon
C01B 31/10 Preparation by using gaseous activating agents
C01B 31/12 Preparation by using non-gaseous activating agents
C01B 31/14 Granulation
C01B 31/16 Preparation of ion-exchanging materials from carbonaceous material
C01B 31/18 Carbon monoxide
C01B 31/20 Carbon dioxide
C01B 31/22 Solidifying
C01B 31/24 Methods for the preparation of carbonates or bicarbonates in general
C01B 31/26 Compounds containing carbon and sulfur, e.g. carbon disulfide, carbon oxysulfide; Thiophosgene
C01B 31/28 Phosgene
C01B 31/30 Carbides
C01B 31/32 Calcium carbide
C01B 31/34 Tungsten or molybdenum carbides
C01B 31/36 Carbides of silicon or boron
C01B 32/00 Carbon; Compounds thereof
C01B 32/05 Preparation or purification of carbon not covered by groups , , ,
C01B 32/10 Carbon fluorides, e.g. [CF]n or [C2F]n
C01B 32/15 Nanosized carbon materials
C01B 32/16 Preparation
C01B 32/17 Purification
C01B 32/18 Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
C01B 32/19 Preparation by exfoliation
C01B 32/20 Graphite
C01B 32/21 After-treatment
C01B 32/22 Intercalation
C01B 32/23 Oxidation
C01B 32/25 Diamond
C01B 32/26 Preparation
C01B 32/28 After-treatment, e.g. purification, irradiation, separation or recovery
C01B 32/30 Active carbon
C01B 32/33 Preparation characterised by the starting materials from petroleum acid sludge
C01B 32/36 Reactivation or regeneration
C01B 32/39 Apparatus for the preparation thereof
C01B 32/40 Carbon monoxide
C01B 32/50 Carbon dioxide
C01B 32/55 Solidifying
C01B 32/60 Preparation of carbonates or bicarbonates in general
C01B 32/70 Compounds containing carbon and sulfur, e.g. thiophosgene
C01B 32/72 Carbon disulfide
C01B 32/75 Preparation by reacting sulfur or sulfur compounds with hydrocarbons
C01B 32/77 Carbon oxysulfide
C01B 32/80 Phosgene
C01B 32/90 Carbides
C01B 32/97 Preparation from SiO or SiO2
C01B 32/152 Fullerenes
C01B 32/154 Preparation
C01B 32/156 After-treatment
C01B 32/158 Carbon nanotubes
C01B 32/159 Carbon nanotubes single-walled
C01B 32/162 Preparation characterised by catalysts
C01B 32/164 Preparation involving continuous processes
C01B 32/166 Preparation in liquid phase
C01B 32/168 After-treatment
C01B 32/172 Sorting
C01B 32/174 Derivatisation; Solubilisation; Dispersion in solvents
C01B 32/176 Cutting
C01B 32/178 Opening; Filling
C01B 32/182 Graphene
C01B 32/184 Preparation
C01B 32/186 Preparation by chemical vapour deposition [CVD]
C01B 32/188 Preparation by epitaxial growth
C01B 32/192 Preparation by exfoliation starting from graphitic oxides
C01B 32/194 After-treatment
C01B 32/196 Purification
C01B 32/198 Graphene oxide
C01B 32/205 Preparation
C01B 32/215 Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
C01B 32/225 Expansion; Exfoliation
C01B 32/306 Active carbon with molecular sieve properties
C01B 32/312 Preparation
C01B 32/318 Preparation characterised by the starting materials
C01B 32/324 Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
C01B 32/336 Preparation characterised by gaseous activating agents
C01B 32/342 Preparation characterised by non-gaseous activating agents
C01B 32/348 Metallic compounds
C01B 32/354 After-treatment
C01B 32/366 Reactivation or regeneration by physical processes, e.g. by irradiation, by using electric current passing through carbonaceous feedstock or by using recyclable inert heating bodies
C01B 32/372 Coating; Grafting; Microencapsulation
C01B 32/378 Purification
C01B 32/384 Granulation
C01B 32/907 Oxycarbides; Sulfocarbides; Mixture of carbides
C01B 32/914 Carbides of single elements
C01B 32/921 Titanium carbide
C01B 32/928 Carbides of actinides
C01B 32/935 Carbides of alkali metals, strontium, barium or magnesium
C01B 32/942 Calcium carbide
C01B 32/949 Tungsten or molybdenum carbides
C01B 32/956 Silicon carbide
C01B 32/963 Preparation from compounds containing silicon
C01B 32/977 Preparation from organic compounds containing silicon
C01B 32/984 Preparation from elemental silicon
C01B 32/991 Boron carbide
C01B 33/00 Silicon; Compounds thereof
C01B 33/02 Silicon
C01B 33/03 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition of silicon halides or halosilanes or reduction thereof with hydrogen as the only reducing agent
C01B 33/04 Hydrides of silicon
C01B 33/06 Metal silicides
C01B 33/08 Compounds containing halogen
C01B 33/10 Compounds containing silicon, fluorine, and other elements
C01B 33/12 Silica; Hydrates thereof, e.g. lepidoic silicic acid
C01B 33/14 Colloidal silica, e.g. dispersions, gels, sols
C01B 33/16 Preparation of silica xerogels
C01B 33/18 Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
C01B 33/20 Silicates
C01B 33/021 Preparation
C01B 33/22 Magnesium silicates
C01B 33/023 Preparation by reduction of silica or silica-containing material
C01B 33/24 Alkaline earth metal silicates
C01B 33/025 Preparation by reduction of silica or silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
C01B 33/26 Aluminium-containing silicates
C01B 33/027 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
C01B 33/029 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition of monosilane
C01B 33/031 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition of silicon halides or halosilanes or reduction thereof with hydrogen as the only reducing agent by decomposition of silicon tetraiodide
C01B 33/32 Alkali metal silicates
C01B 33/033 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by reduction of silicon halides or halosilanes with a metal or a metallic alloy as the only reducing agents
C01B 33/035 Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is
C01B 33/36 Silicates having base-exchange properties but not having molecular sieve properties
C01B 33/037 Purification
C01B 33/38 Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
C01B 33/039 Purification by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon
C01B 33/40 Clays
C01B 33/42 Micas
C01B 33/44 Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material
C01B 33/46 Amorphous silicates, e.g. so-called "amorphous zeolites"
C01B 33/107 Halogenated silanes
C01B 33/113 Silicon oxides; Hydrates thereof
C01B 33/141 Preparation of hydrosols or aqueous dispersions
C01B 33/142 Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
C01B 33/143 Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
C01B 33/145 Preparation of hydroorganosols, organosols or dispersions in an organic medium
C01B 33/146 After-treatment of sols
C01B 33/148 Concentration; Drying; Dehydration; Stabilisation; Purification
C01B 33/149 Coating
C01B 33/151 After-treatment of sols by progressively adding a sol to a different sol, i.e. "build up" of particles using a "heel"
C01B 33/152 Preparation of hydrogels
C01B 33/154 Preparation of hydrogels by acidic treatment of aqueous silicate solutions
C01B 33/155 Preparation of hydroorganogels or organogels
C01B 33/157 After-treatment of gels
C01B 33/158 Purification; Drying; Dehydrating
C01B 33/159 Coating or hydrophobisation
C01B 33/187 Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
C01B 33/193 Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
C01B 35/00 Boron; Compounds thereof
C01B 35/02 Boron; Borides
C01B 35/04 Metal borides
C01B 35/06 Boron halogen compounds
C01B 35/08 Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
C01B 35/10 Compounds containing boron and oxygen
C01B 35/12 Borates
C01B 35/14 Compounds containing boron and nitrogen, phosphorus, sulfur, selenium or tellurium
C01B 35/16 Compounds containing direct bonding between two boron atoms, e.g. Cl2B—BCl2
C01B 35/18 Compounds containing three or more boron atoms, e.g. NaB3H8, MgB10Br10
C01B 37/00 Compounds having molecular sieve properties but not having base-exchange properties
C01B 37/02 Crystalline silica-polymorphs, e.g. silicalites
C01B 37/04 Aluminophosphates (APO compounds)
C01B 37/06 Aluminophosphates containing other elements, e.g. metals, boron
C01B 37/08 Silicoaluminophosphates (SAPO compounds)
C01B 39/00 Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
C01B 39/02 Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
C01B 39/04 Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
C01B 39/06 Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements
C01B 39/08 Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements the aluminium atoms being wholly replaced
C01B 39/10 Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements the replacing atoms being phosphorus atoms
C01B 39/12 Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements the replacing atoms being boron atoms
C01B 39/14 Type A
C01B 39/16 Type A from aqueous solutions of an alkali metal aluminate and an alkali metal silicate excluding any other source of alumina or silica but seeds
C01B 39/18 Type A from a reaction mixture containing at least one aluminium silicate or aluminosilicate of a clay type, e.g. kaolin or metakaolin or its exotherm modification or allophane
C01B 39/20 Faujasite type, e.g. type X or Y
C01B 39/22 Type X
C01B 39/24 Type Y
C01B 39/26 Mordenite type
C01B 39/28 Phillipsite or harmotome type, e.g. type B
C01B 39/30 Erionite or offretite type, e.g. zeolite T
C01B 39/32 Type L
C01B 39/34 Type ZSM-4 or type Ω
C01B 39/36 Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
C01B 39/38 Type ZSM-5
C01B 39/40 Type ZSM-5 using at least one organic template directing agent
C01B 39/42 Type ZSM-12
C01B 39/44 Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
C01B 39/46 Other types characterised by their X-ray diffraction pattern and their defined composition
C01B 39/48 Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
C01B 39/50 Zeolites wherein inorganic bases or salts occlude channels in the lattice framework, e.g. sodalite, cancrinite, nosean, hauynite
C01B 39/52 Sodalites
C01B 39/54 Phosphates, e.g. APO or SAPO compounds